Home / 327,763.53-452,208.06-198,753.75

Finding the Fourth Proportional to 327,763.53, 452,208.06 and 198,753.75

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Solution

The fourth proportional to 327,763.53, 452,208.06 and 198,753.75 is: 274,216.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,763.53 : 452,208.06 = 198,753.75 : x
  2. Step 2: Convert to fraction form
    327,763.53/452,208.06 = 198,753.75/x
  3. Step 3: Cross multiply
    327,763.53x = 452,208.06 × 198,753.75
  4. Step 4: Simplify right side
    327,763.53x = 89,878,047,705.23
  5. Step 5: Solve for x
    x = 89,878,047,705.23/327,763.53
  6. Step 6: Final answer
    x = 274,216.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.